original description
Putzeys, S. (1899). Diagnoses de quelques coquilles et d'un sous-genre nouveau provenant de l'État indépendant du Congo. <em>Annales de la Société Royale malacologique de Belgique. Bulletins des séances.</em> 34: 55–60., available online at https://biodiversitylibrary.org/page/5605623
page(s): 55, fig. 3. [details]
basis of record
Bequaert, J. C. & Clench, W. J. (1936). Studies of African land and fresh-water mollusks. Notes on <i>Gonaxis</i> Taylor, with description of a new species. <em>Journal of Conchology.</em> 20(9): 263–273.
page(s): 268 [details]
From editor or global species database
Nomenclature The original spelling nseudweensis was an error for nsendweensis, but it remains the valid spelling as there is nothing in the original description to indicate that it was an error. [details]